US Bridges

US 6 over Pecumsagan CR

Fair

LaSalle County, Illinois · 5.0 MI E of Ill 251 · Structure no. 050011500000000

Built
1954
71 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
52 ft
3 main spans
Daily traffic
7,150
2023 count
Owner
State
State Highway Agency

About this bridge

US 6 over Pecumsagan CR is a concrete continuous slab carrying US 6 over Pecumsagan CR in LaSalle County, Illinois. It was built in 1954, so it is 71 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,150 vehicles a day, roughly 12% of them trucks, projected to reach 7,272 by 2046. The structure is 52 ft (15.8 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 6
CrossesPecumsagan CR
Location5.0 MI E of Ill 251
RouteU.S. Route 6
Coordinates41.35371, -89.03924
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.2 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length52 ft (15.8 m)
Longest span16 ft (4.9 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,150 (2023)
Projected traffic7,272 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 6 over Pecumsagan CR built?

It was built in 1954, making it 71 years old in 2025.

What condition is US 6 over Pecumsagan CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does US 6 over Pecumsagan CR carry?

About 7,150 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US 6 over Pecumsagan CR?

The structure is 52 ft (15.8 m) long with a longest span of 16 ft (4.9 m) and a deck 44 ft wide.

Who owns US 6 over Pecumsagan CR?

It is owned by the State Highway Agency.